Question

1. what item is suggested by these lines: \the borders we must cross separately, / stamped with our unanswerable woes...\?

a cell phone
a taxi cab
a passport

Explanation:

The phrase "borders we must cross" implies international travel. A passport is an official document used to cross international borders. The mention of being "stamped" also aligns with passport - stamping procedures at border crossings. A cell phone and a taxi cab have no direct connection to crossing borders in the context of official documentation.

Answer:

C. a passport